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Use ICAP instead of BSCAN for 005-tilegrid/cfg fuzzer because BSCAN parameter depends on location #2537

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Use ICAP instead of BSCAN for 005-tilegrid/cfg fuzzer because BSCAN parameter depends on location #2537

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3 changes: 2 additions & 1 deletion fuzzers/005-tilegrid/cfg/Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -4,8 +4,9 @@
# license that can be found in the LICENSE file or at
# https://opensource.org/licenses/ISC
#
#
# SPDX-License-Identifier: ISC
N ?= 2
GENERATE_ARGS?="--oneval 1 --design params.csv --dword 67 --dframe 1B --dbit 18"
GENERATE_ARGS?="--oneval 1 --design params.csv --dword 68 --dframe 1A --dbit 23"
include ../fuzzaddr/common.mk

28 changes: 11 additions & 17 deletions fuzzers/005-tilegrid/cfg/top.py
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Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,7 @@ def gen_sites():
gridinfo = grid.gridinfo_at_loc(loc)
if gridinfo.tile_type in ['CFG_CENTER_MID']:
for site_name in sorted(gridinfo.sites.keys()):
if site_name.startswith("BSCAN_X0Y0"):
if site_name.startswith("ICAP_X0Y0"):
yield tile_name, site_name


Expand All @@ -41,30 +41,24 @@ def run():
params = {}

sites = list(gen_sites())
jtag_chains = ("1", "2", "3", "4")
param = ("X8", "X16", "X32")
for (tile_name, site_name), isone in zip(sites,
util.gen_fuzz_states(len(sites))):
params[tile_name] = (site_name, isone)
print(
'''
(* KEEP, DONT_TOUCH, LOC = "{0}" *)
BSCANE2 #(
.JTAG_CHAIN("{1}")
ICAPE2 #(
.ICAP_WIDTH("{1}")
)
BSCANE2_{0} (
.CAPTURE(),
.DRCK(),
.RESET(),
.RUNTEST(),
.SEL(),
.SHIFT(),
.TCK(),
.TDI(),
.TMS(),
.UPDATE(),
.TDO(1'b1)
ICAP_{0} (
.CSIB(),
.RDWRB(),
.I(),
.O(),
.CLK()
);
'''.format(site_name, jtag_chains[isone]))
'''.format(site_name, param[isone]))

print("endmodule")
write_params(params)
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